C# - How To Add Rows And Columns In DataGridView

The following code will be describing the row&column adding in datagridview. 
  1. dataGridView1.ColumnCount = 3;  
  2.    
  3. dataGridView1.Columns[0].Name = "Name";  
  4. dataGridView1.Columns[1].Name = "Age";  
  5. dataGridView1.Columns[2].Name = "City";  
  6.    
  7. dataGridView1.Rows.Add("kathir""25""salem");  
  8. dataGridView1.Rows.Add("vino""24""attur");  
  9. dataGridView1.Rows.Add("maruthi""26""dharmapuri");  
  10. dataGridView1.Rows.Add("arun""27""chennai");